compiler: Use util/bitset.h for system_values_read
It is currently a bitset on top of a uint64_t but there are already more than 64 values. Change to use BITSET to cover all the SYSTEM_VALUE_MAX bits.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
It is currently a bitset on top of a uint64_t but there are already more than 64 values. Change to use BITSET to cover all the SYSTEM_VALUE_MAX bits.